字源大挪移 Prefix - 表示数字的字首 43 di-,dicho-

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经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

英语新词：医生的“话语可卡因”是什么意思?

在手术过程中，清醒的患者难免对疼痛和手术进展感到焦虑担忧。而此时，医护人员暖心的话语可卡因可以让他们感到安慰 Verbicaine refers to soothing words used to calm or distract a patient who is awake dur

美国国家公共电台 NPR Actor Michael Caine, 85, On His Long Career: 'The Alternative Was A Factory'

ARI SHAPIRO, HOST: Sir Michael Caine has been filling our movie screens for half a century. His breakout role came in 1966 as the callous heartthrob in Alfie. (SOUNDBITE OF FILM, ALFIE) MICHAEL CAINE: (As Alfie) Well, you all settled in? Right, we ca

访谈录 2011-05-16&05-18 杰夫·高布伦专访

Oh, yeah, James Mason James Mason. I like the way James Mason thought. love, yeah. Looter, that's good. I love impersonations. Did you do any other impersonations? Shawn Connery, Michael Caine, and that's it. Go ahead. Let's see. Here is a Hollywood

VOA慢速英语2012 Technology Report - Caine’s Arcade Video Brings Creative Boy Fame

Technology Report - Caines Arcade Video Brings Creative Boy Fame 科技报道 - 凯恩的游乐场小男孩网络爆红 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 An Internet video called Caine

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

不择手段背单词(739):bedizen把…装饰得过分华丽而

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

专业术语—基因专业词汇A/B

SSS 2008-10-17

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

SSS 2009-09-17

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

VOA标准英语2012--High-Tech Edge Sharpens Olympic Games

High-Tech Edge Sharpens Olympic Games At the very first Olympic Games, in 1896, an American won a gold medal in the pole vault event after jumping 3.30 meters using a wooden pole. Four years ago in Beijing, an Australian won gold in the same event wi

VOA标准英语2012--Boy's Cardboard Creation Becomes Web Sensation

Boy's Cardboard Creation Becomes Web Sensation In a working class neighborhood of east Los Angeles, there is an auto parts store which has become famous. People fly in from all around the world, says owner George Monroy. They take taxis here. The vis

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

经济学人107:克雅氏病 攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

万物简史 第407期:生命的起源(1)

19 The Rise Of Life 第十九章 生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年，芝加哥大学的研究生斯坦利米勒拿

万物简史 第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

每天吃鲑鱼 像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu